<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app"></div>
    <script src="./lib/Vue.js"></script>
    <script>
        const app = Vue.createApp({
            // 插值语法：{{title}}
            template:`<h2>{{message}}</h2>`,
            data:function() {//data必须是函数，返回一个对象，我们后台请求数据可以放到data当中，通过{{}}插入这样就实现动态数据。
                return {
                    title:"Hello World",
                    message:"你好啊，Vue3"
                }
            }
        })
        app.mount("#app")
    </script>
</body>
</html>